Delaying the transfer of embryo until the blastocyst stage during in-vitro fertilization (IVF) increased obstetric complications and twin births in a Nordic study. This finding is particularly important as there’s a spike in assisted reproduction technology (ART) treatments being performed with blastocyst transfer (BT) in recent years, according to the investigators.
Patients undergoing assisted reproduction for non-male factor infertility do not derive greater benefit from intracytoplasmic sperm injection (ICSI) over in vitro fertilization (IVF), according to a study presented at ESHRE 2019.
Children who were born after frozen embryo transfer (FET) showed comparable growth outcomes during their first 5 years of life as those who were born after fresh ET, according to a study presented at ESHRE 2019.
Likelihood of pregnancy following artificial insemination by donor (AID) or in vitro fertilization (IVF) was not negatively affected by using sperm that had been cryopreserved for up to 15 years, according to a study from China.
Women who underwent immediate frozen-thawed embryo transfer (FET) following a stimulated in vitro fertilization (IVF) cycle were more likely to have ongoing pregnancy and live birth compared with those who underwent delayed FET, according to a study presented at ESHRE 2019.
The increasingly adopted strategy to freeze all IVF* embryos for transfer in a later cycle offers no improvement in ongoing pregnancy rates over the conventional strategy of fresh embryo transfer among normo-ovulatory women, thus calling into question a general freeze-all strategy in a growing number of clinics.
The likelihood of pregnancy following in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) is significantly reduced when male partners are aged 51 years and older, according to a retrospective study from the UK.
In addition to the known evils of maternal smoking during pregnancy on the sons' semen quality, prenatal exposure to paternal smoking can also be harmful, according to data from the large Danish National Birth Cohort (DNBC) presented at the ESHRE 2019 Meeting.
Women with polycystic ovarian syndrome (PCOS) undergoing assisted reproductive technology (ART) cycles may benefit from the administration of myo-inositol (MI) which improves oocyte and embryo quality due to alterations in gene expression in granulosa cells, according to a study presented at ESHRE 2019.
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Pregnant women with inadequate knowledge on health are more likely to have undesirable maternal outcomes during delivery and adverse outcomes in their offspring than those who were well informed, according to a large cohort study presented at SMFM 2020 Annual Pregnancy Meeting.